Automate Hotel Booking Requests from Gmail to Google Sheets with GPT-5-mini

Who’s it for This workflow is for hotel managers, travel agencies, and hospitality teams who receive booking requests via email. It eliminates the need for manual data entry by automatically parsing emails and attachments, assigning booking cases to the right teams, and tracking performance metrics. What it does This workflow goes beyond simple automation by including enterprise-grade logic and security: 🛡️ Gatekeeper: Watches your Gmail and filters irrelevant emails before spending money on AI tokens. 🧠 AI Brain: Uses OpenAI (GPT-5-mini) to extract structured data from unstructured email bodies and PDF attachments. ⚖️ Business Logic: Automatically routes tasks to different teams based on

Help me set up the n8n workflow "Automate Hotel Booking Requests from Gmail to Google Sheets with GPT-5-mini" (https://n8n.io/workflows/10578). It uses: Google Sheets, Gmail, Code, AI Agent, OpenAI Chat Model, Google Gemini Chat Model, Guardrails. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.